123401495 has 32 divisors (see below), whose sum is σ = 173311488. Its totient is φ = 82608768.

The previous prime is 123401449. The next prime is 123401501. The reversal of 123401495 is 594104321.

It is a cyclic number.

It is not a de Polignac number, because 123401495 - 2¹⁸ = 123139351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310637 + ... + 311033.

It is an arithmetic number, because the mean of its divisors is an integer number (5415984).

Almost surely, 2^123401495 is an apocalyptic number.

123401495 is a deficient number, since it is larger than the sum of its proper divisors (49909993).

123401495 is a wasteful number, since it uses less digits than its factorization.

123401495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 123401495 is about 11108.6225518738. The cubic root of 123401495 is about 497.8595096785.

The spelling of 123401495 in words is "one hundred twenty-three million, four hundred one thousand, four hundred ninety-five".